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Synthesis, characterization and thermal behaviour of heavy lanthanide and yttrium pyruvates in the solid state

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Abstract

Solid-state Ln–L compounds, where Ln stands for heavy trivalent lanthanides or yttrium (III) (Tb–Lu, Y) and where L is pyruvate, have been synthesized. Thermogravimetry and derivative thermogravimetry (TG/DTG), differential scanning calorimetry (DSC), X-Ray powder diffractometry, infrared spectroscopy, elemental analysis and complexometry were used to characterize and to study the thermal behaviour of these compounds. The results led to information about the composition, dehydration, thermal behaviour, ligand denticity of the isolated complexes.

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Acknowledgements

The authors thank FAPESP (Procs. 90/2932-4 and 2005/00926-4), CNPQ and CAPES Foundations (Brazil) for financial support.

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Authors and Affiliations

  1. Instituto de Ciências Exatas e da Terra, UFMT, Campus Pontal do Araguaia, 78698-000, Pontal do Araguaia, MT, Brazil

    A. B. Siqueira

  2. Instituto de Química, UNESP, CP 355, CEP 14801-970, Araraquara, SP, Brazil

    C. T. de Carvalho & M. Ionashiro

  3. Fundação Educacional de Barretos, CEP 14780-000, Barretos, SP, Brazil

    E. C. Rodrigues

  4. Instituto de Química, UFG, Campus II, Campus, 74001–979, Goiânia, GO, Brazil

    E. Y. Ionashiro

  5. Faculdade de Ciências de Bauru—UNESP, CEP 17033–360, Bauru, Brazil

    G. Bannach

Authors
  1. A. B. Siqueira
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  2. C. T. de Carvalho
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  3. E. C. Rodrigues
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  4. E. Y. Ionashiro
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  5. G. Bannach
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  6. M. Ionashiro
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Corresponding author

Correspondence to M. Ionashiro.

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Siqueira, A.B., de Carvalho, C.T., Rodrigues, E.C. et al. Synthesis, characterization and thermal behaviour of heavy lanthanide and yttrium pyruvates in the solid state. J Therm Anal Calorim 100, 95–100 (2010). https://doi.org/10.1007/s10973-009-0537-y

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  • DOI: https://doi.org/10.1007/s10973-009-0537-y

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